/* * Copyright (C) 2018-2019 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if OS(DARWIN) #if !PLATFORM(IOS_FAMILY_SIMULATOR) && __has_include(<libproc.h>) # include <libproc.h> # if RUSAGE_INFO_CURRENT >= 4 # define HAS_MAX_FOOTPRINT # if defined(RLIMIT_FOOTPRINT_INTERVAL) && __has_include(<libproc_internal.h>) && PLATFORM(COCOA) # define HAS_RESET_FOOTPRINT_INTERVAL # define MAX_FOOTPRINT_FIELD ri_interval_max_phys_footprint # include <libproc_internal.h> # else # define MAX_FOOTPRINT_FIELD ri_lifetime_max_phys_footprint # endif # else # define HAS_ONLY_PHYS_FOOTPRINT # endif #endif struct ProcessMemoryFootprint { public: uint64_t current; uint64_t peak; static ProcessMemoryFootprint now() { #ifdef HAS_MAX_FOOTPRINT rusage_info_v4 rusage; if (proc_pid_rusage(getpid(), RUSAGE_INFO_V4, (rusage_info_t *)&rusage)) return { 0L, 0L }; return { rusage.ri_phys_footprint, rusage.MAX_FOOTPRINT_FIELD }; #elif defined(HAS_ONLY_PHYS_FOOTPRINT) rusage_info_v0 rusage; if (proc_pid_rusage(getpid(), RUSAGE_INFO_V0, (rusage_info_t *)&rusage)) return { 0L, 0L }; return { rusage.ri_phys_footprint, 0L }; #else return { 0L, 0L }; #endif } static void resetPeak() { #ifdef HAS_RESET_FOOTPRINT_INTERVAL proc_reset_footprint_interval(getpid()); #endif } }; #endif